National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Light Rain Fog/Mist

66°F

19°C

Humidity 94%
Wind Speed NE 10 G 18 mph
Barometer 29.85 in
Dewpoint 64°F (18°C)
Visibility 2.00 mi
Last update 1 Aug 10:45 am CDT
Extended Forecast for

Pewaukee WI

  • Today

    Today: Showers and possibly a thunderstorm before 2pm, then showers likely. High near 69. Northeast wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 61. North wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind around 15 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Clear, with a low around 56. Northeast wind 5 to 10 mph becoming light after midnight.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the morning.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 69. Northeast wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 61. North wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind around 15 mph.
Sunday Night
Clear, with a low around 56. Northeast wind 5 to 10 mph becoming light after midnight.
Monday
Sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pewaukee WI
 43.08°N 88.27°W (Elev. 850 ft)
Last Update:
10:33 am CDT Aug 1, 2026
Forecast Valid:
10am CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation